Monday, April 27, 2026

Twin-Lead J-Pole Antenna for VHF and UHF Amateur Radio

Want a simple, low-cost antenna that actually performs well on VHF/UHF? The twin-lead J-pole might be exactly what you need.

Built from basic 300-ohm twin-lead, this classic design combines a half-wave radiator with a quarter-wave matching section, giving you efficient performance without radials or complicated tuning networks.

Why it’s so popular among ham operators:
• Easy to build with minimal materials
• Naturally omnidirectional—great for repeaters and local contacts
• Adjustable feed point for low SWR without extra components
• Lightweight and portable—perfect for field setups or emergency kits

Whether you're experimenting with antennas or need a reliable backup for your station, this design delivers solid performance for its simplicity.

Check out the full build guide and dimensions here:
🔗 https://vu3dxr.in/twin-lead-j-pole-antenna-for-vhf-and-uhf-amateur-radio/